Nexus SecurePlus Blue Ratchet Adj Non Vented Helmet + SecurePlus Chinstrap Lift Equipment Length: 155mm (6in) PCP1265 FLOR BK 26 Length: 155mm (6in) Drop resistant steel head construction 000VACnon vented ratchet shell) Tested to the performance requirements of AS NZS 1801:1997 This helmet has an in use life of up to 5 years from the date of issue to the user (i Modularity as standard Non vented to meet electrical safety standards High performance ABS shell Premium Twist2Fit ratchet headband for secure fit Premium Dry Tech sweatband provides up to 40% faster drying and absorbs 4x more moisture Tested down to 40C low temperature Reflective sticker kits available Micro peak for maximum upward visibility Complete with fully removable and adjustable EN397 4 point chinstrap Available in white